diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index b5c98e5bf52402c2febb0b4d64d54dd19c739446..6f031fcd2cd39a6ff9320aba581bc5ecd234ed65 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -601,7 +601,7 @@ static const struct exar8250_board pbn_exar_XR17V8358 = {
 		(kernel_ulong_t)&bd			\
 	}
 
-static struct pci_device_id exar_pci_tbl[] = {
+static const struct pci_device_id exar_pci_tbl[] = {
 	CONNECT_DEVICE(XR17C152, UART_2_232, pbn_connect),
 	CONNECT_DEVICE(XR17C154, UART_4_232, pbn_connect),
 	CONNECT_DEVICE(XR17C158, UART_8_232, pbn_connect),